Product introduction
The Aierway 24KV Center Distance 310mm is a state-of-the-art, draw-out type vacuum circuit breaker designed for medium-voltage applications. Engineered for exceptional reliability and safety, it features a solid-sealed pole terminal system and a compact center-to-center distance of 310mm, making it an ideal solution for space-constrained switchgear installations where performance cannot be compromised.
Key Features
1.Optimized Center Distance (310mm)
-This compact phase spacing allows for the design of smaller, more economical switchgear panels.
2. 24KV Rated Voltage
-Certified for use in standard 24kV distribution networks.
-Compliant with international standards such as IEC, ANSI, or GB, ensuring global applicability.
3.Technical Specifications (Typical)
-Rated Voltage: 24 kV
-Rated Current: Up to 1250A / 1600A / 2000A (model dependent)
-Rated Short-Circuit Breaking Current: 25 kA / 31.5 kA
-Power Frequency Withstand Voltage: 65 kV / 50 kV (phase-to-earth/phase-to-phase)
-Lightning Impulse Withstand Voltage: 125 kV
-Mechanical Life: 10,000 – 20,000 operations
Technical data table 1
| Specification | Value |
|---|---|
| Rated Voltage | 24kV |
| Rated Current | 630A, 1250A, 1600A |
| Power Frequency Withstand | 65kV/79kV |
| Lightning Impulse Withstand | 125 kV |
| Rated Frequency | 50 Hz |
| Rated Short-Circuit Breaking Current | 25kA, 31.5kA |
| Rated Short-Circuit Breaking Times | 30 Times |
| Rated Peak Withstand Current | 31.5kA |
| Rated Single Capacitor Bank Breaking Current | 630A |
| Rated Back-to-Back Capacitor Bank Breaking Current | 400A |
| Loop Resistance under Rated Contact Force | ≤25 ~ 300Ω |
| Contact Self-Closing Force | 110±60N |
Technical data table 2
| Specification | Value |
|---|---|
| Contact opening Distance | 12±1mm |
| Rated Over-Travel | 3.5±0.5mm |
| Average Opening Speed | 1.1±1.7m/s |
| Average Closing Speed | 0.8±1.2m/s |
| Rated Contact Force | 2500±200N, 3200±200N |
| Contact Closing Bounce Time | ≤2ms |
| Opening Contact Rebound Amplitude | ≤2mm |
Outline and dimensions of installation
